Aggregates Manager

For FREE Product Information Text INFO to by Kerry Clines, Senior Editor kclines@randallreilly.com 205-289-3782, Your complete guide to new and updated equipment and supplies in the aggregates industry. or visit aggman.com/info. Fully automated drill rig Flanders says its new Ardvarc 4.0 is the world's first fully automated multi-pass drill rig that also features the first autonomous angle drill implementation. The machine features multi-pass and semi-pass automation, drill-hole and hole-angle accuracy, automatic drill string adding and racking, new human/machine interface (HMI), new data collection, and more modular hardware. It can align itself to within +/-1 degree of the design heading of the hole and automatically set the proper mast angle, according to the company. Flanders | www.flandersinc.com For low-tonnage operations IRock Crushers says its new TS-409 screening plant, designed for small- to mid-size producers, is capable of processing materials at a rate of up to 300 tons per hour. The plant can be loaded onto a trailer to be moved from site to site and can be set up in 10 minutes or less. It features an open-style hopper feeder with a 5.02-cubic-yard capacity. The plant features two 9-foot by 4-foot decks for a total of 72 square feet of screening area and is capable of sizing materials up to 12 inches in size. The 41-foot-long plant features an onboard 42-inch oversized belt conveyor with a stockpiling height of 11.5 feet. It can sort products in up to three different sizes. IRock Crushers | www.irockcrushers.com Design refinements Caterpillar upgraded its 993K wheel loader, making it available with Tier 4 Final or Tier 2 Equivalent C32 engines. New engine control and power train features are said to boost performance and reduce fuel consumption by as much as 10 percent, while the new Cycle Timer feature adds efficiency to loading operations. The company says the now-standard Deluxe Service Center simplifies routine service. Operator convenience and safety features include new controls and an available powered access system. Caterpillar, Inc. | www.cat.com 12 AGGREGATES MANAGER April 2013

• Cover
• OPERATIONS ILLUSTRATED: Best Practices for Stockpile Management: Start with a good sample.
• FEATURE ARTICLES: Fuel Use Trends and the highway Trust Fund: With looming insolvency, a vehicle mileage-based user fee is viable, but challenging option for creating revenue.
• FEATURE ARTICLE: The Nations Top 25 Construction Aggregates Producers: 2011 marked the first increase in production since 2006, with slight price increases as well.
• FEATURE ARTICLE: Maintaining Fine Material Screw Washers: Follow these operating and maintenance recommendations to keep your fine material screw washer operating efficiently.
• EDITORIAL: An explosive situation.
• STATE AND PROVIDENCE NEWS: A roundup of the latest news in North America.
• SAFETY WATCH: Use fall protection when working in elevated spaces.
• ROLLOUTS: Flanders Ardvarc 4.0 fully automated drill rig and other new equipment for the aggregate market.
• DATA MINING: The latest financial analysis of issues impacting in the industry.
• ROCK LAW: A litigation hold requires parties to preserve evidence relevant to a legal dispute.
• CLASSIFIED ADS: Aggregate industry classifieds.
• ADVERTISER INDEX: See whos who and where to find their products.
• CARVED IN STONE: Pearlite can be found in everything from lightweight aggregate to futuristic insulation.